Write
1 - x2
All over
4th root of x3
in the form xp - xq
$$\frac{1-x^2}{x^{3/4}}=\frac{1}{x^{3/4}}-\frac{x^2}{x^{3/4}}=x^{-\frac{3}{4}}-x^{2-3/4}=x^{-\frac{3}{4}}-x^\frac{5}{4}$$
.